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38985833656 = 23711444114251
BaseRepresentation
bin100100010011101111…
…001001110010111000
310201121222201112211001
4210103233021302320
51114320333134111
625524305414344
72550051055420
oct442357116270
9121558645731
1038985833656
1115596539940
12768033a3b4
1338a3c25333
141c5ba13480
1510329581c1
hex913bc9cb8

38985833656 has 64 divisors (see below), whose sum is σ = 91162632960. Its totient is φ = 15184800000.

The previous prime is 38985833641. The next prime is 38985833717. The reversal of 38985833656 is 65633858983.

38985833656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728531 + ... + 2742781.

It is an arithmetic number, because the mean of its divisors is an integer number (1424416140).

Almost surely, 238985833656 is an apocalyptic number.

It is an amenable number.

38985833656 is an abundant number, since it is smaller than the sum of its proper divisors (52176799304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38985833656 is a wasteful number, since it uses less digits than its factorization.

38985833656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18716 (or 18712 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 64.

The spelling of 38985833656 in words is "thirty-eight billion, nine hundred eighty-five million, eight hundred thirty-three thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 4441 8882 14251 17764 28502 31087 35528 48851 57004 62174 97702 99757 114008 124348 156761 195404 199514 248696 313522 341957 390808 399028 627044 683914 798056 1097327 1254088 1367828 2194654 2735656 4389308 8778616 63288691 126577382 253154764 443020837 506309528 696175601 886041674 1392351202 1772083348 2784702404 3544166696 4873229207 5569404808 9746458414 19492916828 38985833656